As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATCOM VOICE AND DATA INOP MSG 23-60061 LOW GAIN AMP INTERMITTENTLY INOP. RESET CB AND GND TEST PASS BUT DUE TO HISTORY SUGGEST TO REPLACE LOW GAIN AMP. FOUND ALL SATCOM UNITS IN CEILING RACK COVERED WITH DUST. CLEANED. INSTALLATION TEST WAS OK. REPLACED HIGH POWER AMP HPA. STA CALL TO SAMC GOOD.